Question

if all 7s are replaced by 6 in the series 1,2,3....99,100 how many 6s will be there?
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Answer 1

Answer:

40

Step-by-step explanation:

Answer 2

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hence, the number of 6s is the same as the number of 7s, that is 10+10=2010+10=20 (then for each spot, as 100100 does not count).

Then the answer is 4040 (none of these).